1974 01 -1.24  -6.69  -3.96 
1974 02  1.05  -2.21   -.57 
1974 03  2.97  -7.11  -2.07 
1974 04  7.44  -4.46   1.49 
1974 05 12.02   -.41   5.80 
1974 06 18.94   6.72  12.83 
1974 07 19.66  11.31  15.48 
1974 08 19.23   8.89  14.06 
1974 09 16.20   6.86  11.53 
1974 10  8.09   2.72   5.40 
1974 11  3.83   -.14   1.84 
1974 12  2.22  -1.77    .22 
1975 01   .79  -4.73  -1.97 
1975 02   .21  -9.26  -4.52 
1975 03  3.47  -4.23   -.38 
1975 04  7.40  -1.43   2.98 
1975 05 17.28   3.30  10.29 
1975 06 18.70   5.74  12.22 
1975 07 23.51   8.88  16.19 
1975 08 21.32   8.75  15.03 
1975 09 16.91   7.74  12.32 
1975 10  8.38    . 7   4.22 
1975 11  3.48  -2.35    .56 
1975 12  1.04  -6.74  -2.84 
1976 01 -7.38 -16.54 -11.96 
1976 02 -4.06 -13.99  -9.02 
1976 03 -1.61 -10.86  -6.23 
1976 04  6.31  -3.70   1.30 
1976 05 16.70    .94   8.82 
1976 06 17.00   7.09  12.04 
1976 07 19.79   9.42  14.61 
1976 08 20.55   6.92  13.73 
1976 09 12.90   1.74   7.32 
1976 10  4.41  -2.86    .77 
1976 11  2.06  -1.65    .20 
1976 12 -2.08  -8.21  -5.15 
1977 01 -4.80 -11.15  -7.97 
1977 02 -6.64 -14.87 -10.75 
1977 03   .58  -7.13  -3.27 
1977 04  4.63  -1.61   1.51 
1977 05 14.46   3.37   8.91 
